tablet (n.) Look up tablet at Dictionary.com
c.1300, "slab or flat surface for an inscription" (especially the two Mosaic tables of stone), from Old French tablete "small table, merchant's display counter" (13c., Modern French tablette), diminutive of table "slab," or from Medieval Latin tabuleta (source also of Spanish tableta, Italian tavoletta), diminutive of Latin tabula (see table (n.)). The meaning "lozenge, pill" is first recorded 1580s; that of "pad of writing paper" in 1880.